// 
// Copyright(c) 2009 Syntext, Inc. All Rights Reserved.
// Contact: info@syntext.com, http://www.syntext.com
// 
// This file is part of Syntext Serna XML Editor.
// 
// COMMERCIAL USAGE
// Licensees holding valid Syntext Serna commercial licenses may use this file
// in accordance with the Syntext Serna Commercial License Agreement provided
// with the software, or, alternatively, in accorance with the terms contained
// in a written agreement between you and Syntext, Inc.
// 
// GNU GENERAL PUBLIC LICENSE USAGE
// Alternatively, this file may be used under the terms of the GNU General 
// Public License versions 2.0 or 3.0 as published by the Free Software 
// Foundation and appearing in the file LICENSE.GPL included in the packaging 
// of this file. In addition, as a special exception, Syntext, Inc. gives you
// certain additional rights, which are described in the Syntext, Inc. GPL 
// Exception for Syntext Serna Free Edition, included in the file 
// GPL_EXCEPTION.txt in this package.
// 
// You should have received a copy of appropriate licenses along with this 
// package. If not, see <http://www.syntext.com/legal/>. If you are unsure
// which license is appropriate for your use, please contact the sales 
// department at sales@syntext.com.
// 
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// 
/*! \file
 */

#ifndef XSLT_INSTRUCTION_FACTORY_H
#define XSLT_INSTRUCTION_FACTORY_H

#include "xslt/xslt_defs.h"
#include "xslt/impl/Instruction.h"

COMMON_NS_BEGIN
class MessageStream;
COMMON_NS_END

namespace GroveLib
{
    class Node;
}
namespace Xslt {

class DocumentHolder;
class KeyProvider;
class TopStylesheet;
class XsltResource;

/*!
 */
class InstructionFactory {
public:
    //!
    virtual Instruction::Type
        getTypeOf(const GroveLib::Node* styleNode,
                  const Stylesheet* context) const = 0;

    virtual TopStylesheet*
        makeTopStylesheet(const GroveLib::Node* styleNode,
                          XsltResource* xsltRes) const = 0;

    virtual Stylesheet*
        makeStylesheet(const GroveLib::Node* styleNode,
                       const Stylesheet* context,
                       const COMMON_NS::String& origin,
                       Instruction* p) const = 0;

    virtual Instruction* makeInstruction(const GroveLib::Node* styleNode,
                                         Instruction::Type type,
                                         const Stylesheet* context,
                                         Instruction* p) const = 0;
    /*! Progress stream is for handling progress messages.
        (i.e to show what xslt is doing)
     */
    virtual void setProgressStream(COMMON_NS::MessageStream* pstream) = 0;
    virtual ~InstructionFactory() {}
};

bool isXsltNsUri(const COMMON_NS::String& uri);

} // namespace Xslt

#endif // XSLT_INSTRUCTION_FACTORY_H
